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Table 3 Distribution of qualitative and quantitative features in the original dataset

From: Prediction of neonatal deaths in NICUs: development and validation of machine learning models

Variables Values Dead
(Mean ± SD)
Survived
(Mean ± SD)
All neonates
(N)
Quantitative features
Birth Weight (BW) 400–6509 1643.5 ± 1083.8 2566 ± 845.5 1762
Gestational Age (GA) 155–281 216 ± 34. 3 249.4 ± 24.1 1762
Variables Values Dead
N (%)
Survived
N (%)
All neonates
(N)
Quantitative features     
Preterm birth Yes 111 (80.4) 884 (54.4) 995 (56.5)
No 27 (19.6) 740 (45.6) 767 (43.5)
Small for Gestational Age (SGA) Yes 44 (31.9) 318 (19.6) 362 (20.5)
No 94 (68.1) 1306 (80.4) 1400 (79.5)
Prenatal care Yes 132 (95.7) 1580 (97.3) 1712 (97.2)
No 6 (4.3) 44 (2.7) 50 (2.8)
Mother disease Yes 26 (18.8) 341 (21) 367 (20.8)
No 112 (81.2) 1283 (79) 1395 (79.2)
Respiratory Distress Syndrome (RDS) Yes 77 (55.8) 474 (29.2) 551 (31.3)
No 61 (44.2) 1150 (70.8) 1211 (68.7)
Steroid therapy Yes 1 (0.7) 8 (0.5) 9 (0.5)
No 137 (99.3) 1616 (99.5) 1753 (99.5)
Surfactant administration Yes 90 (65.2) 328 (20.2) 418 (23.7)
No 48 (34.8) 1296 (79.8) 1344 (76.2)
Pulmonary hemorrhage Yes 30 (21.7) 4 (0.2) 34 (1.9)
No 108 (78.3) 1620 (99.8) 1728 (98.1)
Congenital malformation Yes 62 (44.9) 335 (20.6) 397 (22.5)
No 76(55.1) 1289 (79.4) 1365 (77.5)
Necrotizing EnteroColitis (NEC) Yes 6 (4.3) 30 (1.8) 36 (2)
No 132 (95.7) 1594 (98.2) 1726 (98)
Sepsis Yes 54 (39.1) 753 (46.4) 807 (45.8)
No 84 (60.9) 871 (53.6) 955 (54.2)
Intra Ventricular Hemorrhage (IVH) Yes 41 (29.7) 235 (14.5) 276 (15.7)
No 97 (70.3) 1389 (85.5) 1486 (84.3)
Asphyxia Yes 5 (3.6) 29 (1.8) 34 (1.9)
No 133 (96.4) 1595 (98.2) 1728 (98.1)
Intubation Yes 78 (56.5) 95 (5.8) 173 (9.8)
No 60 (43.5) 1529 (94.2) 1589 (90.2)
Ventilation Yes 104 (75.4) 168 (10.3) 272 (15.4)
No 34 (24.6) 1456 (89.7) 1490 (84.6)